<!-- BaNnErBlUrFlE-BoDy-start -->
<!-- Preheader Text : BEGIN -->
<div style="display:none !important;display:none;visibility:hidden;mso-hide:all;font-size:1px;color:#ffffff;line-height:1px;max-height:0px;opacity:0;overflow:hidden;">
I’m having difficulty with the slice thickness ramps on an ACR phantom scan on a Siemens Magnetom Lumina scanner. (3T) The following is an image of the slice thickness ramps with the window set as described in the scanning instructions</div>
<!-- Preheader Text : END -->
<!-- Email Banner : BEGIN -->
<div style="display:none !important;display:none;visibility:hidden;mso-hide:all;font-size:1px;color:#ffffff;line-height:1px;max-height:0px;opacity:0;overflow:hidden;">ZjQcmQRYFpfptBannerStart</div>
<!--[if ((ie)|(mso))]>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="padding: 0px 0px 10px 0px; direction: ltr" lang="en"><tr><td>
<table border="0" cellspacing="0" cellpadding="0" style="padding: 0px 8px 6px 8px; width: 100%; border-radius:4px; border-top:4px solid #8c8e91;background-color:#cfd3d7;"><tr><td valign="top">
<table align="left" border="0" cellspacing="0" cellpadding="0" style="padding: 0px 8px 4px 8px; font-size: 12px; line-height: 16px">
<tr><td style="color:#000000; font-family: 'Arial', sans-serif; font-weight:bold; font-size:14px; line-height: 20px; direction: ltr">
This Message Is From an External Sender
</td></tr>
<tr><td style="color:#000000; font-weight:normal; font-family: 'Arial', sans-serif; font-size:12px; direction: ltr">
This message came from outside your organization.
</td></tr>
</table>
<![if ie]><br clear="all"><![endif]>
<table align="right" border="0" cellspacing="0" cellpadding="0" style="padding: 0px 0px 4px 0px; font-size: 14px; line-height: 36px"><tr>
<td style="direction: ltr"> <a target="_blank" href="https://us-phishalarm-ewt.proofpoint.com/EWT/v1/KGKeukY!v4QfsobtD6Yg5RdwPy-Edmf2zgFe7sU67f5eD7nXW5BL1aWWwgeNkfbW9MBw3uucxwRWzItYt7jlPMK6myGq9212o2RD59NaJiZwCzzW4hIQNWiGKiPGSveXoTJXFVfqNURloMZXfZCxX-Af0msF-jPih4WSfA5W3nTyV7g$" style="mso-padding-alt: 7px; padding: 7px; border-radius: 2px; border: 1px solid #666666; "><strong style="font-weight: normal; color: #000000; text-decoration: none; font-family: 'Arial', sans-serif; font-size: 14px;"> Report Suspicious </strong></a> </td>
</tr></table>
</td></tr></table>
</td></tr></table>
<![endif]-->
<![if !((ie)|(mso))]>
<div dir="ltr" lang="en" id="pfptBanneryy55na2" style="all: revert !important; display:block !important; text-align: left !important; margin: 0 0 10px 0 !important; padding:7px 16px 8px 16px !important; border-radius: 4px !important; min-width: 200px !important; background-color: #cfd3d7 !important; background-color: #cfd3d7; border-top: 4px solid #8c8e91 !important; border-top: 4px solid #8c8e91;">
<div id="pfptBanneryy55na2" style="all: unset !important; float:left !important; display:block !important; margin: 1px 0 1px 0 !important; max-width: 600px !important;">
<div id="pfptBanneryy55na2" style="all: unset !important; display:block !important; visibility: visible !important; background-color: #cfd3d7 !important; color:#000000 !important; color:#000000; font-family: 'Arial', sans-serif !important; font-family: 'Arial', sans-serif; font-weight:bold !important; font-weight:bold; font-size:14px !important; line-height:1.29 !important; line-height:1.29">
This Message Is From an External Sender
</div>
<div id="pfptBanneryy55na2" style="all: unset !important; display:block !important; visibility: visible !important; background-color: #cfd3d7 !important; color:#000000 !important; color:#000000; font-weight:normal; font-family: 'Arial', sans-serif !important; font-family: 'Arial', sans-serif; font-size:12px !important; line-height:1.5 !important; line-height:1.5; margin-top:2px !important;">
This message came from outside your organization.
</div>
</div>
<div id="pfptBanneryy55na2" style="all: unset !important; float: right !important; display: block !important; display: block; margin-left: 16px !important; margin-top: 1px !important; text-align: right !important; width: fit-content !important; font-size: 12px !important">
<a id="pfptBanneryy55na2" href="https://us-phishalarm-ewt.proofpoint.com/EWT/v1/KGKeukY!v4QfsobtD6Yg5RdwPy-Edmf2zgFe7sU67f5eD7nXW5BL1aWWwgeNkfbW9MBw3uucxwRWzItYt7jlPMK6myGq9212o2RD59NaJiZwCzzW4hIQNWiGKiPGSveXoTJXFVfqNURloMZXfZCxX-Af0msF-jPih4WSfA5W3nTyV7g$"
style="all: unset !important; display: inline-block !important; text-decoration: none">
<div class="pfptPrimaryButtonyy55na2" style="display: inline-block !important; display: inline-block; visibility: visible !important; opacity: 1 !important; color: #000000 !important; color: #000000; font-family: 'Arial', sans-serif !important; font-family: 'Arial', sans-serif; font-size: 14px !important; font-weight: normal !important; text-decoration: none !important; border-radius: 2px !important; margin-top: 3px !important; margin-bottom: 3px !important; margin-left: 16px !important; padding: 7.5px 16px !important; white-space: nowrap !important; width: fit-content !important;
border: 1px solid #666666">
Report Suspicious
</div>
</a>
</div>
<div style="clear: both !important; display: block !important; visibility: hidden !important; line-height: 0 !important; font-size: 0.01px !important; height: 0px"> </div>
</div>
<![endif]>
<div style="display:none !important;display:none;visibility:hidden;mso-hide:all;font-size:1px;color:#ffffff;line-height:1px;max-height:0px;opacity:0;overflow:hidden;">ZjQcmQRYFpfptBannerEnd</div>
<!-- Email Banner : END -->
<!-- BaNnErBlUrFlE-BoDy-end -->
<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head><!-- BaNnErBlUrFlE-HeAdEr-start -->
<style>
#pfptBanneryy55na2 { all: revert !important; display: block !important;
visibility: visible !important; opacity: 1 !important;
background-color: #cfd3d7 !important;
max-width: none !important; max-height: none !important }
.pfptPrimaryButtonyy55na2:hover, .pfptPrimaryButtonyy55na2:focus {
background-color: #adb0b4 !important; }
.pfptPrimaryButtonyy55na2:active {
background-color: #8c8e91 !important; }
html:root, html:root>body { all: revert !important; display: block !important;
visibility: visible !important; opacity: 1 !important; }
</style>
<!-- BaNnErBlUrFlE-HeAdEr-end -->
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Aptos;}
@font-face
{font-family:Castellar;
panose-1:2 10 4 2 6 4 6 1 3 1;}
@font-face
{font-family:"Colonna MT";
panose-1:4 2 8 5 6 2 2 3 2 3;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
font-size:12.0pt;
font-family:"Aptos",sans-serif;
mso-ligatures:standardcontextual;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;
mso-ligatures:none;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-US" link="#467886" vlink="#96607D" style="word-wrap:break-word">
<div class="WordSection1">
<p class="MsoNormal">I’m having difficulty with the slice thickness ramps on an ACR phantom scan on a Siemens Magnetom Lumina scanner. (3T) The following is an image of the slice thickness ramps with the window set as described in the scanning instructions
on the ACR T2 sequence. What a mess!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="mso-ligatures:none"><img width="1045" height="278" style="width:10.8854in;height:2.8958in" id="_x0000_i1028" src="cid:image001.png@01DCAB3F.3A6CCB10"></span><o:p></o:p></p>
<p class="MsoNormal">This is what it looks like with normal windowing:<o:p></o:p></p>
<p class="MsoNormal"><span style="mso-ligatures:none"><img width="1005" height="262" style="width:10.4687in;height:2.7291in" id="Picture_x0020_2" src="cid:image002.png@01DCAB3F.3A6CCB10"></span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The ACR T1 series is messy, but not as bad. I tried turning filters on and off. Suspecting it might be due to excessive Gibbs ringing, I increased the bandwidth. No difference.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The site series look better, but they fail, and the T1 scan has those areas to the left and right of higher intensity:<o:p></o:p></p>
<p class="MsoNormal"><span style="mso-ligatures:none"><img width="1166" height="228" style="width:12.1406in;height:2.375in" id="_x0000_i1026" src="cid:image004.png@01DCAB3F.3A6CCB10"></span><o:p></o:p></p>
<p class="MsoNormal">T2<o:p></o:p></p>
<p class="MsoNormal"><span style="mso-ligatures:none"><img width="758" height="246" style="width:7.8906in;height:2.5625in" id="Picture_x0020_1" src="cid:image005.png@01DCAB3F.3A6CCB10"></span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Any ideas?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#A50021">Robert J. Kobistek, MS, FACR, DABR, MRSE(MRSC™)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#A50021">Medical Physicist</span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:22.0pt;font-family:"Castellar",serif;color:#A50021">RJK</span><span style="font-size:22.0pt;font-family:"Colonna MT";color:#A50021">
</span><span style="font-size:14.0pt;color:#A50021">Medical Physics, Inc.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:14.0pt;color:#A50021">440-463-7879<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</body>
</html>